43% (1994)

36% (2003)

50% (2003)

49% (1995)

52% (1998)

55% (2000)

44% (1992)

49% (1995)

58% (1996)

47% (1994)

56% (2004)

40% (2000)

40% (1999)

51% (1994)

47% (1998)

41% (2002)

26% (2003)

64% (1997)

50% (2000)

62% (1994)